Visual Perceptual Skill Building(r) develops your child's recognition of letters, words, numbers, and similar/dissimilar objects. It also improves sequencing and visual memory skills. Methods These quick, engaging activities are designed specifically for shorter attention spans. No reading is required. Directions may be read aloud as needed. Each book includes eight progressively challenging skill sections with pretests and post-tests to evaluate your child's beginning and ending skill levels. Book on CD (PDF Files) PDF files allow you to print black-and-white or color activity sheets (not provided in the printed book) from your own printer. Useful alternatives to photocopying. Requires Adobe(r) Reader(r